TPS23861PWR - Texas Instruments

Manufacturer Part Number

TPS23861PWR

Manufacturer

Texas Instruments

Introduction

The TPS23861PWR is a Power Over Ethernet (PoE) Controller IC designed to simplify the implementation of Power Sourcing Equipment (PSE). It is capable of driving up to four PoE ports, providing 802.3at (PoE+) and 802.3af (PoE) compliance.

Product Features and Performance

Supports up to 4 PoE ports

Power delivery up to 25.5W per port

No internal switches

Compliant with 802.3at (PoE+) and 802.3af (PoE) standards

Wide voltage supply range from 44V to 57V

Low current supply requirement of 3.5mA

Operates across a wide temperature range from -40°C to 85°C

Surface mount, 28-TSSOP package for streamlined PCB design

Product Advantages

Enables the design of PSEs capable of handling high power requirements per port

Flexibility in voltage supply

Low power consumption

Simplifies PoE implementation with compliance to key standards

Robust operation in diverse environments

Key Technical Parameters

Number of Channels: 4

Power Max: 25.5 W

Voltage Supply: 44V ~ 57V

Current Supply: 3.5mA

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 28-TSSOP

Quality and Safety Features

Designed with industry standards compliance (802.3at, 802.3af) to ensure reliable and safe power delivery for PoE applications.

Compatibility

Compatible with systems requiring up to four PoE ports, capable of delivering high power per port following the PoE+ and PoE standards.

Application Areas

Suited for network equipment like routers, switches, and wireless access points that require integrated PoE for powering attached devices.

Product Lifecycle

Currently active and widely available. No indication of nearing discontinuation, and upgrades or replacements are expected to be in line with evolving PoE standards and technological advancements.

Several Key Reasons to Choose This Product

High port count and power capacity per port for scalable PoE solutions

Compliance with leading PoE standards for broad compatibility

Efficient power supply range and low operating current for energy-saving designs

Reliability across a broad operating temperature range suitable for industrial applications

Easy integration into systems with a compact surface mount package